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.\" Added BUGS section, aeb, 950919
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.TH TOASCII 3 2021-03-22 "GNU" "Linux Programmer's Manual"
.SH NAME
toascii \- convert character to ASCII
.SH SYNOPSIS
.nf
.B #include <ctype.h>
.PP
.BI "int toascii(int " "c" );
.fi
.PP
.RS -4
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.RE
.PP
.BR toascii ():
.nf
    _XOPEN_SOURCE
        || /* Glibc since 2.19: */ _DEFAULT_SOURCE
        || /* Glibc <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE
.fi
.SH DESCRIPTION
.BR toascii ()
converts
.I c
to a 7-bit
.I "unsigned char"
value that fits into the ASCII character set, by clearing the
high-order bits.
.SH RETURN VALUE
The value returned is that of the converted character.
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.ad l
.nh
.TS
allbox;
lbx lb lb
l l l.
Interface	Attribute	Value
T{
.BR toascii ()
T}	Thread safety	MT-Safe
.TE
.hy
.ad
.sp 1
.SH CONFORMING TO
SVr4, BSD, POSIX.1-2001.
POSIX.1-2008 marks
.BR toascii ()
as obsolete,
noting that it cannot be used portably in a localized application.
.SH BUGS
Many people will be unhappy if you use this function.
This function will convert accented letters into random characters.
.SH SEE ALSO
.BR isascii (3),
.BR tolower (3),
.BR toupper (3)
.SH COLOPHON
This page is part of release 5.13 of the Linux
.I man-pages
project.
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
\%https://www.kernel.org/doc/man\-pages/.
